Cheap flights Chicago to St Louis (Lambert-St. Louis)

From

To

Depart

Return

Passengers

1 passenger, economy

Cheap flights Chicago to St Louis

Compare prices, duration and stops

Filters

Stops

Direct only 1 stop

Price

59 $ 219 $ 219 $

Airlines

Allegiant Air American Airlines Contour Airlines Frontier Airlines Southwest Airlines United Airlines

AA 3069

04:05

Chicago, О'Хара (ORD)

Fri, 18 sep

1h 22min

Direct

05:27

St Louis, Lambert-St. Louis (STL)

Fri, 18 sep

164 $

F9 2292

11:25

Chicago, Чикаго-Мидвей (MDW)

Fri, 18 sep

6h 45min

1 stop

18:10

St Louis, Lambert-St. Louis (STL)

Fri, 18 sep

145 $

F9 1483

11:30

Chicago, О'Хара (ORD)

Sat, 19 sep

12h 47min

1 stop

00:17

St Louis, Lambert-St. Louis (STL)

Sun, 20 sep +1

150 $

F9 1596

15:26

Chicago, О'Хара (ORD)

Sun, 20 sep

26h 44min

1 stop

18:10

St Louis, Lambert-St. Louis (STL)

Mon, 21 sep +1

95 $

F9 2292

11:25

Chicago, Чикаго-Мидвей (MDW)

Mon, 21 sep

6h 45min

1 stop

18:10

St Louis, Lambert-St. Louis (STL)

Mon, 21 sep

72 $

AA 3069

04:05

Chicago, О'Хара (ORD)

Tue, 22 sep

1h 22min

Direct

05:27

St Louis, Lambert-St. Louis (STL)

Tue, 22 sep

162 $

UA 2000

19:07

Chicago, О'Хара (ORD)

Tue, 22 sep

1h 31min

Direct

20:38

St Louis, Lambert-St. Louis (STL)

Tue, 22 sep

219 $

F9 1596

11:20

Chicago, О'Хара (ORD)

Wed, 23 sep

6h 50min

1 stop

18:10

St Louis, Lambert-St. Louis (STL)

Wed, 23 sep

74 $

AA 2818

13:55

Chicago, О'Хара (ORD)

Thu, 24 sep

1h 23min

Direct

15:18

St Louis, Lambert-St. Louis (STL)

Thu, 24 sep

172 $

LF 3046

17:30

Chicago, О'Хара (ORD)

Thu, 24 sep

24h 51min

3 stops

18:21

St Louis, Lambert-St. Louis (STL)

Fri, 25 sep +1

215 $

F9 1483

11:30

Chicago, О'Хара (ORD)

Sat, 26 sep

12h 47min

1 stop

00:17

St Louis, Lambert-St. Louis (STL)

Sun, 27 sep +1

110 $

F9 2292

11:25

Chicago, Чикаго-Мидвей (MDW)

Sun, 27 sep

30h 45min

1 stop

18:10

St Louis, Lambert-St. Louis (STL)

Mon, 28 sep +1

144 $

G4 341

20:53

Chicago, Рокфорд (RFD)

Sun, 27 sep

21h 28min

2 stops

18:21

St Louis, Lambert-St. Louis (STL)

Mon, 28 sep +1

145 $

F9 1442

00:28

Chicago, О'Хара (ORD)

Mon, 28 sep

17h 42min

1 stop

18:10

St Louis, Lambert-St. Louis (STL)

Mon, 28 sep

96 $

WN 3877 Best price

15:10

Chicago, Чикаго-Мидвей (MDW)

Wed, 30 sep

1h 10min

Direct

16:20

St Louis, Lambert-St. Louis (STL)

Wed, 30 sep

59 $

AA 2818

13:55

Chicago, О'Хара (ORD)

Fri, 2 oct

1h 23min

Direct

15:18

St Louis, Lambert-St. Louis (STL)

Fri, 2 oct

89 $

AA 2818

13:50

Chicago, О'Хара (ORD)

Sat, 3 oct

1h 23min

Direct

15:13

St Louis, Lambert-St. Louis (STL)

Sat, 3 oct

61 $

G4 344

18:56

Chicago, Рокфорд (RFD)

Sun, 4 oct

23h 25min

2 stops

18:21

St Louis, Lambert-St. Louis (STL)

Mon, 5 oct +1

157 $

WN 2779

01:50

Chicago, Чикаго-Мидвей (MDW)

Wed, 14 oct

1h 15min

Direct

03:05

St Louis, Lambert-St. Louis (STL)

Wed, 14 oct

136 $

AA 2208

14:30

Chicago, О'Хара (ORD)

Thu, 29 oct

1h 21min

Direct

15:51

St Louis, Lambert-St. Louis (STL)

Thu, 29 oct

91 $

WN 806

16:05

Chicago, Чикаго-Мидвей (MDW)

Thu, 29 oct

1h 10min

Direct

17:15

St Louis, Lambert-St. Louis (STL)

Thu, 29 oct

133 $

F9 1596

15:26

Chicago, О'Хара (ORD)

Fri, 30 oct

7h 14min

1 stop

22:40

St Louis, Lambert-St. Louis (STL)

Fri, 30 oct

125 $

WN 2015

11:05

Chicago, Чикаго-Мидвей (MDW)

Sat, 31 oct

1h 10min

Direct

12:15

St Louis, Lambert-St. Louis (STL)

Sat, 31 oct

136 $

F9 1596

16:26

Chicago, О'Хара (ORD)

Mon, 2 nov

7h 14min

1 stop

23:40

St Louis, Lambert-St. Louis (STL)

Mon, 2 nov

113 $

F9 1483

12:30

Chicago, О'Хара (ORD)

Fri, 6 nov

12h 44min

1 stop

01:14

St Louis, Lambert-St. Louis (STL)

Sat, 7 nov +1

86 $

WN 459

17:10

Chicago, Чикаго-Мидвей (MDW)

Fri, 6 nov

1h 10min

Direct

18:20

St Louis, Lambert-St. Louis (STL)

Fri, 6 nov

132 $

WN 2737

17:30

Chicago, Чикаго-Мидвей (MDW)

Mon, 14 dec

1h 10min

Direct

18:40

St Louis, Lambert-St. Louis (STL)

Mon, 14 dec

60 $

Low price calendar

September 2026

Price chart (September 2026)

min: 59 $ · max: 172 $

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164 $

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145 $

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95 $

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72 $

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162 $

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74 $

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110 $

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96 $

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Good deal

59 $

Cheap flights Chicago to St Louis

Southwest Airlines

Mon, Wed, Thu, Fri, Sat

Price from

$60

American Airlines

Tue, Thu, Fri, Sat

Price from

$61

Frontier Airlines

Mon, Wed, Fri, Sat, Sun

Price from

$72

Allegiant Air

Sun

Price from

$145

Contour Airlines

Thu

Price from

$215

United Airlines

Tue

Price from

$219

Popular destinations from Chicago

All →

CHI

Chicago — Orlando

United States → United States

ORL

from

$21

CHI

Chicago — Orlando

United States → United States

MCO

from

$21

CHI

Chicago — Atlanta

United States → United States

ATL

from

$22

CHI

Chicago — Houston

United States → United States

IAH

from

$22

CHI

Chicago — Houston

United States → United States

HOU

from

$22

CHI

Chicago — New York

United States → United States

NYC

from

$23

CHI

Chicago — Denver

United States → United States

DEN

from

$24

CHI

Chicago — Fort Lauderdale

United States → United States

FLL

from

$24

CHI

Chicago — Miami

United States → United States

MIA

from

$25

Popular destinations to St Louis

All →

DEN

Denver — St Louis

United States → United States

STL

from

$40

MSP

Minneapolis — St Louis

United States → United States

STL

from

$50

MIA

Miami — St Louis

United States → United States

STL

from

$68

BNA

Nashville — St Louis

United States → United States

STL

from

$71

HOU

Houston — St Louis

United States → United States

STL

from

$77

PHL

Philadelphia — St Louis

United States → United States

STL

from

$77

DFW

Dallas — St Louis

United States → United States

STL

from

$88

NYC

New York — St Louis

United States → United States

STL

from

$91

Cheap flights Chicago to St Louis

Interesting facts about the route

Flight time

1h 31min

Distance

415 km

Average price

$133

Most frequent flight

F9 1596

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United States

change

3 GB

data

30

days

$9

change

2 GB

data

15

days

$13

change

5 GB

data

30

days

$14

change

3 GB

data

30

days

$16

change

5 GB

data

30

days

$23

Frequently Asked Questions

The average ticket price Chicago St Louis is $133. The cheapest ticket costs $95, operated by Frontier Airlines, flight 1596, departing Chicago on 20 September at 15:26, arriving St Louis on 21 September at 18:10.

The average flight time is 12 hours 47 minutes. The fastest flight takes 1 hour 22 minutes, flight 3069 operated by American Airlines, departing Chicago on 18 September at 04:05, arriving St Louis on 18 September at 05:27.

Flights on the Chicago - St Louis route are operated by the following airlines: American Airlines, Frontier Airlines, Allegiant Air, Contour Airlines, United Airlines, Southwest Airlines.

The distance from Chicago to St Louis is 415 km.